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为探讨空气负离子对免疫功能的影响及其作用机理,用雄性小鼠132只,随机分为6组。1、2、3组皮下注射生理盐水0.2ml,4、5、6组皮下注射环磷酰胺100mg/kg;2、5组和3、6组分别暴露于不同浓度的空气负离子[(10±5)×1010个/m3和(50±5)×1010个/m3],每d2次,每次2h。在实验进行至15d时,各组随机处死一半动物,在30d时,处死另一半动物;测定动物脑组织5-羟色胺含量、中性白细胞吞噬率、血清溶菌酶、白细胞总数、E-玫瑰花结率等指标。结果显示:①染毒组吸入空气负离子后,脑组织中5-羟色胺含量显著降低(P<0.05);②空气负离子能减轻环磷酰胺对动物免疫功能的抑制作用。结果提示:空气负离子对异常的免疫功能有一定恢复作用,而对正常的免疫功能影响不明显。
To investigate the effect of air negative ions on immune function and its mechanism of action, 132 male mice were randomly divided into 6 groups. Groups 1,2,3 were subcutaneously injected with 0.2 ml saline, while groups 4, 5 and 6 were injected subcutaneously with cyclophosphamide 100 mg / kg. Groups 2, 3 and 3 were exposed to different concentrations of air negative ions [(10 ± 5) × 1010 / m3 and (50 ± 5) × 1010 / m3] every 2 times for 2 hours. Half of the animals were sacrificed at the end of the experiment until the 15th day, and the other half animals were sacrificed on the 30th day. Serum 5-HT, phagocytic rate of neutrophils, total lysozyme, white blood cells, E- Rate and other indicators. The results showed that: ①The levels of 5-hydroxytryptamine in brain tissues were significantly decreased after exposure to air negative ions (P <0.05); ② Air anion could reduce the inhibitory effect of cyclophosphamide on immune function. The results suggest that air negative ions have a certain recovery effect on abnormal immune function, but have no obvious effect on normal immune function.